| 摘要 |
Working equipment of a bucket excavator comprises a two-section telescopic boom, handle, bucket, and boom, handle and bucket actuating mechanisms. The telescopic section of the bucket is additionally equipped with drive mechanism, this is arranged as a rack mechanism with hydro-motor and V-belt transmission, and telescopic section has a holder for fixation of the handle and actuating hydro-cylinder, it is equipped as well with support elements as rollers. |
